Karim, M. K. A. and Hashim, S. and Bradley, D. A. and Bakar, K. A. and Haron, M. R. and Kayun, Z. (2016) Radiation doses from computed tomography practice in Johor Bahru, Malaysia. Radiation Physics and Chemistry, 121 . pp. 69-74. ISSN 0969-806X
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Abstract
Radiation doses for Computed Tomography (CT) procedures have been reported, encompassing a total of 376 CT examinations conducted in one oncology centre (Hospital Sultan Ismail) and three diagnostic imaging departments (Hospital Sultanah Aminah, Hospital Permai and Hospital Sultan Ismail) at Johor hospital's. In each case, dose evaluations were supported by data from patient questionnaires. Each CT examination and radiation doses were verified using the CT EXPO (Ver. 2.3.1, Germany) simulation software. Results are presented in terms of the weighted computed tomography dose index (CTDIw), dose length product (DLP) and effective dose (E). The mean values of CTDIw, DLP and E were ranged between 7.6±0.1 to 64.8±16.5mGy, 170.2±79.2 to 943.3±202.3mGycm and 1.6±0.7 to 11.2±6.5 mSv, respectively. Optimization techniques in CT are suggested to remain necessary, with well-trained radiology personnel remaining at the forefront of such efforts.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Computer software, Dosimetry, Hospitals, Surveys, Tomography, Diagnostic imaging, Diagnostic reference levels, Dose-length products, Effective dose, Malaysia, Mean values, Optimization techniques, Simulation software, Computerized tomography, computer assisted tomography, computer program, drug dosage form, Germany, human, human experiment, radiation dose, radiology |
| Subjects: | Q Science > QC Physics |
| Divisions: | Science |
| ID Code: | 73707 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 18 Nov 2017 00:43 |
| Last Modified: | 18 Nov 2017 00:43 |
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